National Suppliers Directory

This directory has been compiled to make it easier to find businesses that sell native plants or seeds and provide professional landscape or consulting services. Use the search options below to find help for your native plant needs or click here to add your business to the directory. Associates are providers of native plant services who offer Wildflower Center members a discount on merchandise or services. To qualify, at least 50% of an Associate's projects or inventory must use native plants.

Description: St. Williams Nursery & Ecology Centre operates over 400 acres of field production and 10 acres of greenhouse space in Southern Ontario making it the largest source-identified native plant nursery in the province. We are unique in the nursery trade in that we are the only major supplier that specializes exclusively in native seed and plants for biodiversity conservation of Ontario native wild-type plant genetics. We can guarantee and can verify the origin of all our source-identified native seed and plants as true Ontario wild-type by seed zone. Imports and cultivars are not appropriate for the ecological landscape and, in fact, threaten natural biodiversity. We carry over 300 native species of trees, shrubs, wildflowers, sedges and grasses in a wide variety of formats. We also carry native source-identified seed mixes that can be customized to your requirements.

Credentials: We can guarantee and can verify the origin of all our source-identified native seed and plants as true Ontario wild-type by seed zone. We use a state of the art computer inventory system for tracking the origin of seed through lots.